Complaint
| Product Name | Voltage meter |
| Product Type | AD16-22MS |
| Color | Blue/Yellow/Red/Green/White |
| Hole Size | Φ22 |
| Measured range | AC20-500V |
| Head shape | Square |
| Indicat method | LED number indicate |
| Wiring method | Screw |
| Product Name | Current and Voltage meter |
| Product Type | AD16-22MS |
| Color | Blue/Yellow/Red/Green/White |
| Hole Size | Φ22 |
| Measured range | AC20 500V 0-100A |
| Head shape | Square |
| Indicat method | LED number inidcator |
| Wiring method | Screw |
| Product Name | frequency meter |
| Product Type | AD16-22MS |
| Color | Blue/Yellow/Red/Green/White |
| Hole Size | Φ22 |
| Measured range | 20-75HZ |
| Head shape | Square |
| Indicat method | LED number indicate |
| Wiring method | Screw |
| Product Name | Current meter |
| Product Type | AD16-22MS |
| Color | Blue/Yellow/Red/Green/White |
| Hole Size | Φ22 |
| Measured range | 0-100A(<=380V) |
| Head shape | Square |
| Indicat method | LED number indicate |
| Wiring method | Screw |
